1. Jeopardy Chapter 7 Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200
Final Jeopardy

2. $100 Question from H1 a) Solve the inequality.
b) Then graph the solutions on the number line.
5 + 3n < -13

3. $100 Answer from H1
n<-6

4. $200 Question from H1 a) Solve the inequality.
b) Then graph the solutions on the number line.
-5 < 3x+8 < 2

5. $200 Answer from H1
-13/3<x<-2

6. $300 Question from H1
Solve for x: (Absolute Value)
1 2x-7 1 = 5

7. $300 Answer from H1
x= 1, 6

8. $400 Question from H1 a) Solve the inequality.
b) Then graph the solutions on the number line.
I x + 9 I < 3

9. $400 Answer from H1
-12< x <-6

10. $500 Question from H1
Graph the inequality.
2y < 5x - 8

11. $500 Answer from H1
y<5/2 x – 4
See Mr. Muir for Graph

12. $100 Question from H2 Solve the linear system by graphing. X = 16 – 4y

13. $100 Answer from H2
(-4, 5)

14. $200 Question from H2 Solve the linear system by substitution.
 y = 10x – 8
-5x + 3y = 51

15. $200 Answer from H2
(3, 22)

16. $300 Question from H2
Solve the linear system by elimination (also called combination) method.
5x + 4y = 32
9x – y = 33

17. $300 Answer from H2
(4, 3)

18. $400 Question from H2
The Science and Technology Museum is a popular field trip destination. This year the 7th and 8th grade classes both planned trips there. The 7th grade class rented and filled 8 vans and 8 buses with 240 students. The 8th grade class rented and filled 4 vans and 1 bus with 54 students. Every van had the same number of students in it as did the buses. How many students can each vehicle hold?

19. $400 Answer from H2
Van: 8 Students
Bus: 22 Students

20. $500 Question from H2 Graph the system of Inequalities 3x – 4y > 12
Y = 1/3x + 4

21. $500 Answer from H2
See Mr. Muir for Graph

22. $100 Question from H3
Simplify the Expression:
5-3

23. $100 Answer from H3
1/125

24. $200 Question from H3
Simplify the Expression:
y(4x)-3  5xy4

25. $200 Answer from H3
5y5/ 6x2

26. $300 Question from H3
Evaluate the expression. Write your answer in scientific notation.
(5.3 x 104 ) ( 6.8 x 10-12)

27. $300 Answer from H3
3.604 x 10-7

28. $400 Question from H3
You deposit $825 in a savings account that grows at a rate of 7% annual interest compounded yearly. Write a function that models the balance in the account over time.

29. $400 Answer from H3
825(1.07)t

30. $500 Question from H3
A type of bacteria grows at a rate of 4.5% per hour. The number of bacteria cells is currently 360. Write a function that represents the number of bacteria there will be 6 hours from now.

31. $500 Answer from H3
b= 360(1.045)t
B = bacteria

32. $100 Question from H4 Find the difference:
(5x2 + 2x + 8) – (-3x2 + 2x – 21)

33. $100 Answer from H4
8x2 + 29

34. $200 Question from H4
Find the Product
(2x + 4) (3x – 8 )

35. $200 Answer from H4
6x2 – 4x – 32

36. $300 Question from H4
Factor Completely
36x2-64

37. $300 Answer from H4
4(3x +4)(3x – 4)

38. $400 Question from H4
Factor Completely:
b3-5b2-4b+20

39. $400 Answer from H4
(b-2) (b+2)(b-5)

40. $500 Question from H4
Solve:
15x2 + 28x = 0

41. $500 Answer from H4
(5 x + 16) (3x – 4 )
X = -16/5, 4/3

42. $100 Question from H5
Find the axis of symmetry and the vertex of the graph of the function. Then tell whether the function has maximum value or a minimum value, and what it is.
a) F(x) = x2 + 6x + 8

43. $100 Answer from H5
Aos: x = -3
V: (-3, -1)
Minimum at y = -1

44. $200 Question from H5 What are the zeros of the function:
What are the zeros of the function:
F(x) = x2 + 6x + 8

45. $200 Answer from H5
X = -2, -4

46. $300 Question from H5
Write a quadratic function of the form y = ax2 +c that passes through (0,4) and (2,10)

47. $300 Answer from H5
Y = 3/2 x + 4 or y = 1.5x +4

48. $400 Question from H5
The length of a Mr. Muir’s new classroom is 2 meters less than Three times the width. The area of the classroom is 43 square meters. What is the length of the classroom?

49. $400 Answer from H5 3w2 – 2w -43 = 0 Using the quadratic formula,
W = about 4.13 meters

50. $500 Question from H5
To celebrate the end of the year, Mr. Muir throws the Algebra 1 book straight into the air at an initial height of 6 feet and an initial velocity of 48 feet per second. a) Using one of the models below, write an equation that gives the height (in feet) of the soccer ball as a function of time (in seconds) since it left the goalie’s hand. b) After how many seconds does it hit the ground?

51. $500 Answer from H5
a.) h = -16t2 + 48t + 6
b.) 3.12 seconds

52. Final Jeopardy 1.)Describe the Correlation.
2.)Explain the procedure for writing a line of best fit.
3.) If I wanted to use it topredict future data outside the data range, what would this be called?

53. Final Jeopardy Answer 1.) Positive Correlation
2.) Draw line of best fit, pick two points on the line, find the equation of the line using point slope form.
3.) Extrapolation